Bar chair



FIG. 1 is a front perspective view of a bar chair, showing my new design;

FIG. 2 is rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the bar chair, which form no part of the claimed design. 

CLAIM The ornamental design for a bar chair, as shown and described. 